package com.imooc.operator;

public class MathDemoOne {

	public static void main(String[] args) {
		// x++
		int x = 4;
		int y = (x++) + 5;
		System.out.println(y);

		x = 4;
		y = (++x) + 5;
		System.out.println(y);

	}

}
